Files
libguestfs/fish/supported.c
Richard W.M. Jones 2d220f5da2 tools: Modify existing tools to use guestfs_{push,pop}_error_handler.
This is a shorter and more convenient way to disable errors
temporarily across calls.
2012-11-09 19:51:09 +00:00

80 lines
2.1 KiB
C

/* guestfish - the filesystem interactive shell
* Copyright (C) 2010 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libintl.h>
#include "fish.h"
int
run_supported (const char *cmd, size_t argc, char *argv[])
{
char **groups;
/* As a side-effect this also checks that we've called 'launch'. */
groups = guestfs_available_all_groups (g);
if (groups == NULL)
return -1;
/* Temporarily replace the error handler so that messages don't get
* printed to stderr while we are issuing commands.
*/
guestfs_push_error_handler (g, NULL, NULL);
/* Work out the max string length of any group name. */
size_t i;
size_t len = 0;
for (i = 0; groups[i] != NULL; ++i) {
size_t l = strlen (groups[i]);
if (l > len)
len = l;
}
for (i = 0; groups[i] != NULL; ++i) {
size_t l = strlen (groups[i]);
size_t j;
for (j = 0; j < len-l; ++j)
putchar (' ');
printf ("%s", groups[i]);
putchar (' ');
char *gg[] = { groups[i], NULL };
int r = guestfs_available (g, gg);
if (r == 0)
printf ("%s", _("yes"));
else
printf ("%s", _("no"));
putchar ('\n');
}
/* Free groups list. */
for (i = 0; groups[i] != NULL; ++i)
free (groups[i]);
free (groups);
/* Restore error handler. */
guestfs_pop_error_handler (g);
return 0;
}